| Reference Ocarat | #129681 |
| Reference | NK0044-57E |
| Brand | Citizen |
| Product Type | Watch |
| Gender | Men |
| Color | Black Gray |
| Material | Titanium |
| Material Quality | Super Titanium™ |
| Finish | Matte (Brushed / Satin) |
| Warranty | 2 Years |
| Thickness (in mm) | 11,70 |
| Diameter (in mm) | 40,00 |
| Manufacturing | Japan |
| Warranty Type | International |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Round |
| Bezel | Bidirectional Rotating Slide Rule Steel |
| Dial Finish | Soleillée |
| Watch Case Back | Exhibition Case Back Screwed caseback |
| Crystal Shape | Flat |
| Glass Quality | Sapphire Crystal |
| Glass Treatment | Anti-Reflective Coating |
| Watch Case Types | Date |
| Buttons | 1 Crown |
| Screw Crown | Yes |
| Water Resistance (in ATM) | 20 |
| Frequency | 21,600 A/h (3 Hz) |
| Movements | Automatic (rotor) |
| Movement Type | Japanese Movement |
| Movement Brand | Citizen |
| Calibers (Movements) | Citizen 8310 |
| Calendar and Time | Dates Hours Minutes Seconds |
| Navigation and Instruments | Slide Rule |
| Display Type | Analog (hands) |
| Display Specifications | Indices and railroad track Luminescent hands and indices |
| Bracelet Material | Titanium |
| Strap Color | Gray |
| Bracelet Material Finish | Brushed Titanium |
| Watch Clasp | Deployant buckle with safety clasp |
| Lug Width (in mm) | 22,00 |
| Collection | Promaster Sky / Navihawk |
The Citizen Promaster Sky Navihawk Mechanical cuts a boldly modern and rugged profile. Built with a Super Titanium case, this timepiece is engineered to combine exceptional lightness with outstanding resilience - a perfect match for adventurers and fans of technical materials. At 40 mm in diameter and 13.30 mm thick, it hits the sweet spot for a men's watch: substantial yet wearable. The case's matte satin finish anchors its contemporary aesthetic while offering enhanced resistance to everyday scratches and wear. A screwed caseback provides superior protection against water infiltration - essential for those who love aquatic pursuits. The watch is also fitted with a sapphire crystal, celebrated for its toughness and scratch resistance.
The dial's striking black finish features a beautiful sunray effect that plays subtly with light to create hypnotic reflections. Arabic numerals at 12 and 6 o'clock allow for instant time reading, while luminescent indexes ensure perfect legibility even in complete darkness. A minute track adds a classic touch while enabling precise timekeeping. The hands - also luminescent - sweep gracefully across the dial, indicating hours, minutes, and seconds with flawless accuracy. At 3 o'clock, a discreetly integrated date window preserves the dial's aesthetic harmony while adding a highly practical everyday function.
At the heart of this timepiece beats the Citizen caliber 8310, a reliable and efficient automatic movement. This Japanese-made movement reflects Citizen's commitment to precision engineering, oscillating at 21,600 vph (3 Hz) for consistent accuracy. In addition to hours, minutes, and seconds, the watch also displays the date - powered by the high-performing automatic rotor mechanism.
The bracelet on this watch is crafted in titanium, striking the perfect balance between elegance and durability. Its brushed finish pairs seamlessly with the case, creating a cohesive look that radiates modern sophistication. Titanium also delivers exceptional wearing comfort thanks to its remarkable lightness and corrosion resistance - making it ideal even in humid or saline environments. A deployant clasp with a safety lock keeps the watch securely on your wrist, giving you total confidence whether you're at work or at play. The well-proportioned 22 mm lug width ensures a comfortable fit on most wrist sizes.
With 20 ATM water resistance, this watch is built to keep up with aquatic adventures - from swimming to light diving. 20 ATM means the watch can withstand pressure down to 200 meters, making it fully reliable in wet conditions and underwater without any risk of damage.



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Promaster Sky Navihawk Mechanical NK0044-57E Watch
(Ref. 129681)
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